Cita APA (7a ed.)

Date, C. J., & Darwen, H. (1994). A guide to the SQL standard: A user's guide to the standard relational language SQL (3rd ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Date, C. J., y Hugh Darwen. A Guide to the SQL Standard: A User's Guide to the Standard Relational Language SQL. 3rd ed. Reading, Massachusetts [etc.]: Addison-Wesley, 1994.

Cita MLA (9a ed.)

Date, C. J., y Hugh Darwen. A Guide to the SQL Standard: A User's Guide to the Standard Relational Language SQL. 3rd ed. Addison-Wesley, 1994.